Home / 1,691,926.79-2,537,299.89-680,786.78

Finding the Fourth Proportional to 1,691,926.79, 2,537,299.89 and 680,786.78

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Solution

The fourth proportional to 1,691,926.79, 2,537,299.89 and 680,786.78 is: 1,020,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,926.79 : 2,537,299.89 = 680,786.78 : x
  2. Step 2: Convert to fraction form
    1,691,926.79/2,537,299.89 = 680,786.78/x
  3. Step 3: Cross multiply
    1,691,926.79x = 2,537,299.89 × 680,786.78
  4. Step 4: Simplify right side
    1,691,926.79x = 1,727,360,209,320.95
  5. Step 5: Solve for x
    x = 1,727,360,209,320.95/1,691,926.79
  6. Step 6: Final answer
    x = 1,020,942.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.